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uBlock Origin
一款高效的网络请求过滤工具，占用极低的内存和 CPU。
Translator
Translate selected or entered text
Video Downloader VeeVee
Video Downloader VeeVee – 从 Internet 下载视频。
Bitwarden Password Manager
无论是在家中、工作中还是在旅途中，Bitwarden 都可以轻松地保护您的所有密码、通行密钥和敏感信息。
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Video Hunter Downloader
Video Hunter Downloader – 从 Internet 下载视频。
Pacman
A Pacman game on a popup, now version 1.2!
Sidebar for Youtube Music
Youtube Music sidebar extension
Facebook Opera Sidebar
Access Facebook through Opera Sidebar.
Sidebar for YouTube™
Simple access to YouTube using the sidebar UI
Note Sidebar
Simple note sidebar which can be used to write a note, record thoughts, to-do list, meeting notes, etc.
Sidebar Calc
Sidebar Calculator - Fast and Simple
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
GX Calculator
Simple GX-style calculator adapts to the current colors and also reacts to keystrokes.
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
QR Code Generator
Generate any QR code anytime, even offline
Vertical Tabs
Manage your tabs in the sidebar!
Sidenotes
Simple notes for your Opera sidebar
Sidebar Sketch
Sketch anytime on your sidebar, even offline.
Emoji Minesweeper
Play Minesweeper as Emojis!
Sudoku Sidebar
Play Sudoku on Sidebar anytime in your browser! even offline!
Bing Translate
Easily access Bing Translate from Opera's sidebar
Web Panel
Navigate to websites in the sidebar.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Google Messages for Opera Sidebar
This Add-On allows you to send text messages from your Opera Browser, to anyone you want.
Page Sidebar | Open any page in side panel
Effortlessly open any website in your web browser's sidebar – streamline your workflow instantly!
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
Sudoku v2
Play Sudoku from sidebar anytime even offline
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
uMatrix
通過點選開關達到控制瀏覽器中的各種網頁請求。藉此阻擋網頁指令、嵌套頁面、媒體廣告、社交網站追踪等行爲。